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United States Patent | 6,230,919 |
Guillin | May 15, 2001 |
The invention concerns a packaging case, comprising a closed crown (5) provided with at least two opposite transverse windows (6), a thermoformed base (1) and a thermoformed lid (2) mounted removable on the base (1). The base (1) or the lid (2) has a peripheral opening provided with an extremity (3) projecting outwards with which the lid (2) or base (1) peripheral edge co-operates respectively for closing the packaging case, the crown (5) is arranged along the outer wall of the part, base (1) or lid (2) provided with said extremity (3), the crown (5) being locked in position by means of locking members (7, 8) co-operating with said windows (6). The invention is applicable to packaging cases for food products.
Inventors: | Guillin; Francois (Mouthier Hautepierre, FR) |
Assignee: | Groupe Guillin (Ornans, FR) |
Appl. No.: | 462887 |
Filed: | January 18, 2000 |
PCT Filed: | July 17, 1998 |
PCT NO: | PCT/FR98/01567 |
371 Date: | January 18, 2000 |
102(e) Date: | January 18, 2000 |
PCT PUB.NO.: | WO99/03739 |
PCT PUB. Date: | January 28, 1999 |
Jul 18, 1997[FR] | 97 09162 | |
Oct 01, 1997[FR] | 97 12200 |
Current U.S. Class: | 220/315; 206/434; 220/4.21; 229/122.22 |
Intern'l Class: | B65D 005/32 |
Field of Search: | 220/4.21,4.24,315,318,319,780,796 229/118,122.21,122.23 206/434,548,549,545 40/312 |
3326408 | Jun., 1967 | Ringlen | 220/4. |
3670881 | Jun., 1972 | Dutcher. | |
3675811 | Jul., 1972 | Artz | 220/4. |
4272010 | Jun., 1981 | Capo. | |
4699291 | Oct., 1987 | Prais et al. | 220/319. |
5540381 | Jul., 1996 | Davis | 206/434. |
5833116 | Nov., 1998 | Guillin. | |
5860530 | Jan., 1999 | Simmons et al. | |
5921392 | Jul., 1999 | Davis | 206/434. |
5964365 | Oct., 1999 | Peeples et al. | 220/319. |
5975412 | Nov., 1999 | Guillin | 220/4. |
Foreign Patent Documents | |||
25 21 252 | Apr., 1977 | DE. | |
32 16 718 | Dec., 1982 | DE. | |
0123456-A2 | Jan., 2000 | EP | 100/100. |
2 741 324 | May., 1997 | FR. |